Female sharks lose their appetite during birth to avoid eating their offspring.

The claim that female sharks lose their appetite to avoid eating their offspring during birth lacks direct evidence. The evidence primarily discusses shark reproduction methods like viviparity and intrauterine cannibalism, where siblings eat each other in the womb, rather than maternal behavior post-birth. Sharks do not usually exhibit parental care, and once born, young sharks are left to survive independently. No credible evidence or expert fact-checking supports the specific claim about appetite loss in sharks to avoid eating newborns. Hence, the claim remains unverified and speculative.